Science LEAP Practice

Front

What do water weeds need to make food?

Back

Water weeds need nutrients from the pond mud to make food.

Front

What happens when the two chemicals in a glow stick are mixed?

Back

When the two chemicals in a glow stick are mixed, a new material is formed, producing light.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their environment.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to make food.

Front

What is a food chain?

Back

A food chain is a sequence that shows how energy and nutrients flow from one organism to another.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organisms, returning nutrients to the soil.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water through evaporation, condensation, and precipitation.

Front

What is a chemical reaction?

Back

A chemical reaction is a process where substances combine or break apart to form new substances.

Front

What is the function of chlorophyll in plants?

Back

Chlorophyll is a pigment that allows plants to absorb sunlight for photosynthesis.

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither definite shape nor volume.